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Atomic Structure of Ytterbium and Promethium


Atomic Structure of Promethium and Ytterbium


Atomic Properties

Atomic Number
70   
99+
61   
99+

Electron Configuration
[Xe] 4f14 6s2   
[Xe] 4f5 6s2   

Crystal Structure
Face Centered Cubic (FCC)   
Double Hexagonal Close Packed (DHCP)   

Crystal Lattice
FCC-Crystal-Structure-of-Ytterbium.jpg#100   
DHCP-Crystal-Structure-of-Promethium.jpg#100   

Atom
  
  

Number of Protons
70   
99+
61   
99+

Number of Neutrons
103   
31
84   
40

Number of Electrons
70   
99+
61   
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
183.00 pm   
10

Covalent Radius
187.00 pm   
20
199.00 pm   
12

Van der Waals Radius
242.00 pm   
12
236.00 pm   
16

Atomic Weight
173.05 amu   
99+
145.00 amu   
99+

Atomic Volume
24.79 cm3/mol   
9
22.39 cm3/mol   
12

Adjacent Atomic Numbers
  
  

Previous Element
Thulium
  
Neodymium
  

Next Element
Lutetium
  
Samarium
  

Valence Electron Potential
50.30 (-eV)   
27
44.10 (-eV)   
39

Lattice Constant
548.47 pm   
11
Not Available   

Lattice Angles
π/2, π/2, π/2   
Unknown   

Lattice C/A Ratio
Not Available   
Not Available   

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